Genetic dissection of complex traits in yeast: insights from studies of gene expression and other phenotypes in the BYxRM cross.

Genetic dissection of complex traits in yeast: insights from studies of gene expression and other phenotypes in the BYxRM cross.
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DOI:
10.1101/sqb.2009.74.013
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发表时间:
2009
期刊:
Cold Spring Harbor symposia on quantitative biology
影响因子:
--
通讯作者:
Kruglyak L
Kruglyak L
中科院分区:
其他
文献类型:
--
作者:
Ehrenreich IM;Gerke JP;Kruglyak L

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许多具有生物学和医学意义的表型(包括对常见人类疾病的易感性)的遗传基础是复杂的,涉及多个基因彼此和环境相互作用。尽管经过了数十年的努力,我们既没有完全掌握控制复杂性状遗传学的一般规则,也没有详细了解特定复杂性状的遗传基础。我们使用两种酵母菌株 BY 和 RM 之间的杂交来系统地研究全局基因表达和其他性状差异背后的遗传复杂性。 BY×RM 杂交中的基因座、基因和核苷酸水平的性状数量和多样性使其可以说是关于遗传变异对表型的因果影响最广泛表征的系统。我们总结了迄今为止获得的关于酵母复杂性状遗传学的见解,重点是 BY×RM 杂交。然后,我们强调有关复杂性状遗传学的核心突出问题,并讨论如何使用酵母作为模型系统来回答这些问题。
The genetic basis of many phenotypes of biological and medical interest, including susceptibility to common human diseases, is complex, involving multiple genes that interact with one another and the environment. Despite decades of effort, we possess neither a full grasp of the general rules that govern complex trait genetics nor a detailed understanding of the genetic basis of specific complex traits. We have used a cross between two yeast strains, BY and RM, to systematically investigate the genetic complexity underlying differences in global gene expression and other traits. The number and diversity of traits dissected to the locus, gene, and nucleotide levels in the BY×RM cross make it arguably the most extensively characterized system with regard to causal effects of genetic variation on phenotype. We summarize the insights obtained to date into the genetics of complex traits in yeast, with an emphasis on the BY×RM cross. We then highlight the central outstanding questions about the genetics of complex traits and discuss how to answer them using yeast as a model system.
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